You nailed it. I went back to Inkscape and turned on the page. The page was the size of what was displayed in my first image. I scaled the image down to fit the page (also rotated it to landscape and when I opened it with Designer, it was all there. And so far each line and symbol appears to be in place and editable....
I never thought the scale mattered, so I guess its part of the learning curve...
It appears that Designer by default creates a "group" or a single image when exporting as SVG. When I brought it back into Inkscape, I had to "un-group" and could edit again with no loss of fidelity.. so its all good now, Thanks! I'm trying to figure out gradients, I'm pretty good with Inkscape on them and I love the flexibility to make and set the position of the gradient. So far Designer is a bit tougher to get what I want. It's time for some YouTube time......
I'm still new to Inkscape, so I'm not sure what the arrowhead feature is. lol But I did learn what the g6726 layer is, and I also learned about outline view and so thanks!
Thanks to all of you for stepping in and helping. Now on to learning more stuff to increase my productivity.....